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Z-Communications,
Inc., the leader in Voltage Controlled Oscillator (VCO) technology, has raised performance standards to new
heights through the introduction of the DRO Series of high performance oscillators. DRO oscillators are sure to
meet the demands of any Up/Down Converter system requiring an ultra-low phase noise LO solution. The DRO Series of
high frequency oscillators use high-Q dielectric resonators and are currently available at 8 to 12 GHz. The
electrical tuning option for the DRO operating at 10 GHz has a control range of 0-12 Vdc, providing ultra-fine
tuning precision. The electrical tuning provides ±3 MHz of frequency control allowing the oscillator to be quickly
and easily phase-locked. DRO Series oscillators provide a low phase noise and an exceptional spectral purity as
good as -110 dBc/Hz, typically, at 10 kHz from the carrier. DROs minimize power consumption by operating off a 5
Vdc bias while drawing only 20 mA, typically, and are available in a surface mount packages measuring 0.91 x 0.91
x 0.40 inches. For rugged applications, DROs are available in a connectorized metal enclosure measuring 1.25 x
1.25 x 0.85 inches.
In
addition to the superior phase noise performance and electrical tuning advantage, the DRO series oscillators
deliver 0±3 dBm of output power into a 50 ohm load. DROs are designed to operate over the industrial temperature
range of -40 to 85°C making them a good fit for the toughest environmental applications. These exceptional devices
will enhance any PLL control system due to their low tuning sensitivity figure of approximately 1 MHz/V. The DRO
Series oscillators have second harmonic attenuation of better than -25 dBc. The pushing specification for the 10
GHz DRO is less than 1 MHz/V within a 5% change of the supply voltage while pulling is less than 2 MHz with a 12
dB return loss, any phase. Delivery time is 4-6 weeks ARO at $195.00 each. Contact the factory for production
delivery and OEM pricing. 
About
Z-Communications, Inc.